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Zhang S, Meng N, Liu S, Ruan J, Li H, Xu X, Ruan Q, Xie W. Targeting senescent HDF with the USP7 inhibitor P5091 to enhance DFU wound healing through the p53 pathway. Biochem Biophys Res Commun 2024; 722:150149. [PMID: 38788355 DOI: 10.1016/j.bbrc.2024.150149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 05/20/2024] [Indexed: 05/26/2024]
Abstract
OBJECTIVE The objective of this study was to examine the potential of USP7 as a target for senolytic therapy and to investigate the molecular mechanism by which its inhibitor selectively induced apoptosis in senescent HDF and enhanced DFU wound healing. METHODS Clinical samples of DFU were collected to detect the expression of USP7 and aging-related proteins using immunohistochemistry and Western blot. In addition, β-galactosidase staining, qPCR, flow cytometry, ROS and MMP kits, and Western blot were used to analyze the biological functions of P5091 on senescence, cycle, and apoptosis. RNAseq was employed to further analyze the molecular mechanism of P5091. Finally, the DFU rat model was established to evaluate the effect of P5091 on wound healing. RESULTS The expression of USP7 and p21 were increased in DFU clinical samples. After treatment with d-glucose (30 mM, 7 days), β-galactosidase staining was deepened, proliferation rate decreased. USP7 inhibitors (P5091) could reduce the release of SASP factors, activate the production of ROS, and reduce MMP. In addition, it induced apoptosis and selectively clears senescent cells through the p53 signaling pathway. Finally, P5091 can improve diabetic wound healing in rats. CONCLUSION This study clarified the molecular mechanism of USP7 inhibitor (P5091) selectively inducing apoptosis of high glucose senescent HDF cells. This provides a new senolytics target and experimental basis for promoting DFU wound healing.
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Affiliation(s)
- Siyu Zhang
- Institute of Burns, Wuhan Third Hospital (Tongren Hospital of WuHan University), Wuhan 430060, China.
| | - Na Meng
- School of Medicine, Jianghan University, Wuhan, 430056, China.
| | - Shuhua Liu
- Institute of Burns, Wuhan Third Hospital (Tongren Hospital of WuHan University), Wuhan 430060, China.
| | - Jingjing Ruan
- Institute of Burns, Wuhan Third Hospital (Tongren Hospital of WuHan University), Wuhan 430060, China.
| | - Hongju Li
- Marine Biomedical Research Institute of Qingdao, Key Laboratory of Marine Drugs Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China.
| | - Ximing Xu
- Marine Biomedical Research Institute of Qingdao, Key Laboratory of Marine Drugs Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, 266003, China.
| | - Qiongfang Ruan
- Institute of Burns, Wuhan Third Hospital (Tongren Hospital of WuHan University), Wuhan 430060, China.
| | - Weiguo Xie
- Institute of Burns, Wuhan Third Hospital (Tongren Hospital of WuHan University), Wuhan 430060, China.
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2
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Tang Q, Xing X, Huang H, Yang J, Li M, Xu X, Gao X, Liang C, Tian W, Liao L. Eliminating senescent cells by white adipose tissue-targeted senotherapy alleviates age-related hepatic steatosis through decreasing lipolysis. GeroScience 2024; 46:3149-3167. [PMID: 38217637 PMCID: PMC11009221 DOI: 10.1007/s11357-024-01068-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 12/28/2023] [Indexed: 01/15/2024] Open
Abstract
Cellular senescence is an important risk factor in the development of hepatic steatosis. Senolytics present therapeutic effects on age-related hepatic steatosis without eliminating senescent hepatocytes directly. Therefore, it highlights the need to find senolytics' therapeutic targets. Dysfunction of adipose tissue underlies the critical pathogenesis of lipotoxicity in the liver. However, the correlation between adipose tissue and hepatic steatosis during aging and its underlying molecular mechanism remains poorly understood. We explored the correlation between white adipose tissue (WAT) and the liver during aging and evaluated the effect of lipolysis of aged WAT on hepatic steatosis and hepatocyte senescence. We screened out the ideal senolytics for WAT and developed a WAT-targeted delivery system for senotherapy. We assessed senescence and lipolysis of WAT and hepatic lipid accumulation after treatment. The results displayed that aging accelerated cellular senescence and facilitated lipolysis of WAT. Free fatty acids (FFAs) generated by WAT during aging enhanced hepatic steatosis and induced hepatocyte senescence. The combined usage of dasatinib and quercetin was screened out as the ideal senolytics to eliminate senescent cells in WAT. To minimize non-specific distribution and enhance the effectiveness of senolytics, liposomes decorated with WAT affinity peptide P3 were constructed for senotherapy in vivo. In vivo study, WAT-targeted treatment eliminated senescent cells in WAT and reduced lipolysis, resulting in the alleviation of hepatic lipid accumulation and hepatocyte senescence when compared to non-targeted treatment, providing a novel tissue-targeted, effective and safe senotherapy for age-related hepatic steatosis.
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Affiliation(s)
- Qi Tang
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Xiaotao Xing
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
- Key laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, Laboratory Center of Stomatology, College of Stomatology, Xi'an Jiaotong University, Xi'an, 710004, Shaanxi, China
| | - Haisen Huang
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Jian Yang
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Maojiao Li
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Xun Xu
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Xin Gao
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Cheng Liang
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China
| | - Weidong Tian
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China.
| | - Li Liao
- National Engineering Laboratory for Oral Regenerative Medicine & Engineering Research Center of Oral Translational Medicine, Ministry of Education & State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, West China School of Public Health & West China Fourth Hospital, Sichuan University, No.14, 3Rd Section Of Ren Min Nan Rd, Chengdu, 610041, Sichuan, China.
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3
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Li T, Li S, Ma K, Kong J. Application potential of senolytics in clinical treatment. Biogerontology 2024; 25:379-398. [PMID: 38109001 DOI: 10.1007/s10522-023-10084-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 11/13/2023] [Indexed: 12/19/2023]
Abstract
Of the factors studied in individual ageing, the accumulation of senescent cells has been considered as an essential cause of organ degeneration to eventually initiate age-related diseases. Cellular senescence is attributed to the accumulation of damage for an inducement in the activation of cell cycle inhibitory pathways, resulting the cell permanently withdraw from the cell proliferation cycle. Further, senescent cells will activate the inflammatory factor secretion pathway to promote the development of various age-related diseases. Senolytics, a small molecule compound, can delay disease development and extend mammalian lifespan. The evidence from multiple trials shows that the targeted killing of senescent cells has a significant clinical application for the treatment of age-related diseases. In addition, senolytics are also significant for the development of ageing research in solid organ transplantation, which can fully develop the potential of elderly organs and reduce the age gap between demand and supply. We conclude that the main characteristics of cellular senescence, the anti-ageing drug senolytics in the treatment of chronic diseases and organ transplantation, and the latest clinical progress of related researches in order to provide a theoretical basis for the prevention and treatment of ageing and related diseases.
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Affiliation(s)
- Tiantian Li
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, People's Republic of China
| | - Shiyuan Li
- West China School of Pharmacy, Sichuan University, Chengdu, 610207, Sichuan, People's Republic of China
| | - Kefeng Ma
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, People's Republic of China.
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, 210094, Jiangsu, People's Republic of China.
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4
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Yu Y, Chu C, Wang K, Li Y, Mao Z, Hu L, Wang J, Yu Y, Sun H, Chen F. YAP/TAZ activation mediates PQ-induced lung fibrosis by sustaining senescent pulmonary epithelial cells. Respir Res 2024; 25:212. [PMID: 38762455 PMCID: PMC11102259 DOI: 10.1186/s12931-024-02832-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Accepted: 05/02/2024] [Indexed: 05/20/2024] Open
Abstract
Paraquat (PQ) is a widely used herbicide and a common cause of poisoning that leads to pulmonary fibrosis with a high mortality rate. However, the underlying mechanisms of PQ-induced pulmonary fibrosis and whether pulmonary epithelial cell senescence is involved in the process remain elusive. In this study, PQ-induced pulmonary epithelial cell senescence and Hippo-YAP/TAZ activation were observed in both C57BL/6 mice and human epithelial cells. PQ-induced senescent pulmonary epithelial cells promoted lung fibroblast transformation through secreting senescence-associated secretory phenotype (SASP) factors. Yap/Taz knockdown in mice lungs significantly decreased the expression of downstream profibrotic protein Ctgf and senescent markers p16 and p21, and alleviated PQ-induced pulmonary fibrosis. Interfering YAP/TAZ in senescent human pulmonary epithelial cells resulted in decreased expression of the anti-apoptosis protein survivin and elevated level of apoptosis. In conclusion, our findings reveal a novel mechanism by which the involvement of Hippo-YAP/TAZ activation in pulmonary epithelial cell senescence mediates the pathogenesis of PQ-induced pulmonary fibrosis, thereby offering novel insights and potential targets for the clinical management of PQ poisoning as well as providing the mechanistic insight of the involvement of Yap/Taz activation in cell senescence in pulmonary fibrosis and its related pulmonary disorders. The YIN YANG balance between cell senescence and apoptosis is important to maintain the homeostasis of the lung, the disruption of which will lead to disease.
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Affiliation(s)
- Youjia Yu
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Chunyan Chu
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
- Department of Pathology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, 210009, Jiangsu, China
| | - Kang Wang
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Yan Li
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
- Biomedical publications center, Nanjing Medical University, Nanjing, 211166, Jiangsu, China
| | - Zhengsheng Mao
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Li Hu
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Jie Wang
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Yanfang Yu
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China
| | - Hao Sun
- Department of Emergency, Affiliated Hospital of Medical School, Nanjing Drum Tower Hospital, Nanjing University, Nanjing, 210008, Jiangsu, China.
- The Key Laboratory of Modern Toxicology of Ministry of Education, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
| | - Feng Chen
- Department of Forensic Medicine, Nanjing Medical University, 101 Longmian Avenue, Jiangning District, Nanjing, 211166, Jiangsu, China.
- Key Laboratory of Targeted Intervention of Cardiovascular Disease, Collaborative Innovation Center for Cardiovascular Disease Translational Medicine, Nanjing Medical University, Nanjing, 211166, Jiangsu, China.
- Wuxi People's Hospital Affiliated with Nanjing Medical University, Wuxi, 214023, Jiangsu, China.
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5
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Jin P, Duan X, Li L, Zhou P, Zou C, Xie K. Cellular senescence in cancer: molecular mechanisms and therapeutic targets. MedComm (Beijing) 2024; 5:e542. [PMID: 38660685 PMCID: PMC11042538 DOI: 10.1002/mco2.542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 02/28/2024] [Accepted: 03/07/2024] [Indexed: 04/26/2024] Open
Abstract
Aging exhibits several hallmarks in common with cancer, such as cellular senescence, dysbiosis, inflammation, genomic instability, and epigenetic changes. In recent decades, research into the role of cellular senescence on tumor progression has received widespread attention. While how senescence limits the course of cancer is well established, senescence has also been found to promote certain malignant phenotypes. The tumor-promoting effect of senescence is mainly elicited by a senescence-associated secretory phenotype, which facilitates the interaction of senescent tumor cells with their surroundings. Targeting senescent cells therefore offers a promising technique for cancer therapy. Drugs that pharmacologically restore the normal function of senescent cells or eliminate them would assist in reestablishing homeostasis of cell signaling. Here, we describe cell senescence, its occurrence, phenotype, and impact on tumor biology. A "one-two-punch" therapeutic strategy in which cancer cell senescence is first induced, followed by the use of senotherapeutics for eliminating the senescent cells is introduced. The advances in the application of senotherapeutics for targeting senescent cells to assist cancer treatment are outlined, with an emphasis on drug categories, and the strategies for their screening, design, and efficient targeting. This work will foster a thorough comprehension and encourage additional research within this field.
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Affiliation(s)
- Ping Jin
- State Key Laboratory for Conservation and Utilization of Bio‐Resources in Yunnan, School of Life SciencesYunnan UniversityKunmingYunnanChina
| | - Xirui Duan
- Department of OncologySchool of MedicineSichuan Academy of Medical Sciences and Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengduSichuanChina
| | - Lei Li
- Department of Anorectal SurgeryHospital of Chengdu University of Traditional Chinese Medicine and Chengdu University of Traditional Chinese MedicineChengduChina
| | - Ping Zhou
- Department of OncologySchool of MedicineSichuan Academy of Medical Sciences and Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengduSichuanChina
| | - Cheng‐Gang Zou
- State Key Laboratory for Conservation and Utilization of Bio‐Resources in Yunnan, School of Life SciencesYunnan UniversityKunmingYunnanChina
| | - Ke Xie
- Department of OncologySchool of MedicineSichuan Academy of Medical Sciences and Sichuan Provincial People's HospitalUniversity of Electronic Science and Technology of ChinaChengduSichuanChina
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6
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Hajri L, Lewińska A, Rzeszutek I, Oklejewicz B, Wojnarowska-Nowak R, Krogul-Sobczak A, Szpyrka E, Aires A, Ghodbane S, Ammari M, Wnuk M. Anticancer Activity of Encapsulated Pearl Millet Polyphenol-Rich Extract against Proliferating and Non-Proliferating Breast Cancer Cells In Vitro. Cancers (Basel) 2024; 16:1750. [PMID: 38730703 PMCID: PMC11083001 DOI: 10.3390/cancers16091750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Plant-derived polyphenols are bioactive compounds with potential health-promoting properties including antioxidant, anti-inflammatory, and anticancer activity. However, their beneficial effects and biomedical applications may be limited due to their low bioavailability. In the present study, we have considered a microencapsulation-based drug delivery system to investigate the anticancer effects of polyphenol-rich (apigenin, caffeic acid, and luteolin) fractions, extracted from a cereal crop pearl millet (Pennisetum glaucum), using three phenotypically different cellular models of breast cancer in vitro, namely triple negative HCC1806, ER-positive HCC1428, and HER2-positive AU565 cells. Encapsulated polyphenolic extract induced apoptotic cell death in breast cancer cells with different receptor status, whereas it was ineffective against non-tumorigenic MCF10F cells. Encapsulated polyphenolic extract was also found to be cytotoxic against drug-resistant doxorubicin-induced senescent breast cancer cells that were accompanied by increased levels of apoptotic and necrotic markers, cell cycle inhibitor p21 and proinflammatory cytokine IL8. Furthermore, diverse responses to the stimulation with encapsulated polyphenolic extract in senescent breast cancer cells were observed, as in the encapsulated polyphenolic extract-treated non-proliferating AU565 cells, the autophagic pathway, here cytotoxic autophagy, was also induced, as judged by elevated levels of beclin-1 and LC3b. We show for the first time the anti-breast cancer activity of encapsulated polyphenolic extract of pearl millet and postulate that microencapsulation may be a useful approach for potentiating the anticancer effects of phytochemicals with limited bioavailability.
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Affiliation(s)
- Latifa Hajri
- Faculty of Sciences of Bizerte, Laboratory of Integrative Physiology, University of Carthage, Jarzouna, Bizerte 7021, Tunisia; (L.H.); (S.G.); (M.A.)
| | - Anna Lewińska
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (A.L.); (I.R.); (B.O.); (E.S.)
| | - Iwona Rzeszutek
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (A.L.); (I.R.); (B.O.); (E.S.)
| | - Bernadetta Oklejewicz
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (A.L.); (I.R.); (B.O.); (E.S.)
| | - Renata Wojnarowska-Nowak
- Center for Microelectronics and Nanotechnology, Institute of Materials Engineering, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland;
| | | | - Ewa Szpyrka
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (A.L.); (I.R.); (B.O.); (E.S.)
| | - Alfredo Aires
- CITAB—Centre for the Research and Technology of Agro Environment and Biological Sciences, University of Trás-os-Montes and Alto Douro, 5000-801 Vila Real, Portugal;
| | - Soumaya Ghodbane
- Faculty of Sciences of Bizerte, Laboratory of Integrative Physiology, University of Carthage, Jarzouna, Bizerte 7021, Tunisia; (L.H.); (S.G.); (M.A.)
| | - Mohamed Ammari
- Faculty of Sciences of Bizerte, Laboratory of Integrative Physiology, University of Carthage, Jarzouna, Bizerte 7021, Tunisia; (L.H.); (S.G.); (M.A.)
- Higher Institute of Applied Biological Sciences of Tunis, University of Tunis El Manar, Tunis 1068, Tunisia
| | - Maciej Wnuk
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (A.L.); (I.R.); (B.O.); (E.S.)
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7
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Jha SK, De Rubis G, Devkota SR, Zhang Y, Adhikari R, Jha LA, Bhattacharya K, Mehndiratta S, Gupta G, Singh SK, Panth N, Dua K, Hansbro PM, Paudel KR. Cellular senescence in lung cancer: Molecular mechanisms and therapeutic interventions. Ageing Res Rev 2024; 97:102315. [PMID: 38679394 DOI: 10.1016/j.arr.2024.102315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 04/03/2024] [Accepted: 04/23/2024] [Indexed: 05/01/2024]
Abstract
Lung cancer stands as the primary contributor to cancer-related fatalities worldwide, affecting both genders. Two primary types exist where non-small cell lung cancer (NSCLC), accounts for 80-85% and SCLC accounts for 10-15% of cases. NSCLC subtypes include adenocarcinoma, squamous cell carcinoma, and large cell carcinoma. Smoking, second-hand smoke, radon gas, asbestos, and other pollutants, genetic predisposition, and COPD are lung cancer risk factors. On the other hand, stresses such as DNA damage, telomere shortening, and oncogene activation cause a prolonged cell cycle halt, known as senescence. Despite its initial role as a tumor-suppressing mechanism that slows cell growth, excessive or improper control of this process can cause age-related diseases, including cancer. Cellular senescence has two purposes in lung cancer. Researchers report that senescence slows tumor growth by constraining multiplication of impaired cells. However, senescent cells also demonstrate the pro-inflammatory senescence-associated secretory phenotype (SASP), which is widely reported to promote cancer. This review will look at the role of cellular senescence in lung cancer, describe its diagnostic markers, ask about current treatments to control it, look at case studies and clinical trials that show how senescence-targeting therapies can be used in lung cancer, and talk about problems currently being faced, and possible solutions for the same in the future.
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Affiliation(s)
- Saurav Kumar Jha
- Department of Biological Sciences and Bioengineering (BSBE), Indian Institute of Technology, Kanpur, Uttar Pradesh 208016, India
| | - Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Shankar Raj Devkota
- Monash Biomedicine Discovery Institute, and Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC 3800, Australia
| | - Yali Zhang
- School of Chemical Engineering, University of Adelaide, Adelaide 5005, Australia
| | - Radhika Adhikari
- College of Pharmacy and Natural Medicine Research Institute, Mokpo National University, Jeonnam 58554, Republic of Korea
| | - Laxmi Akhileshwar Jha
- Naraina Vidya Peeth Group of Institutions, Faculty of Pharmacy, Dr. A. P. J. Abdul Kalam Technical University, Lucknow, Uttar Pradesh 0208020, India
| | - Kunal Bhattacharya
- Pratiksha Institute of Pharmaceutical Sciences, Guwahati, Assam 781026, India; Royal School of Pharmacy, The Assam Royal Global University, Guwahati, Assam 781035, India
| | - Samir Mehndiratta
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Gaurav Gupta
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India; Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Sachin Kumar Singh
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia; School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar-Delhi G.T Road, Phagwara, Punjab, India
| | - Nisha Panth
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW 2007, Australia
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia.
| | - Philip M Hansbro
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW 2007, Australia.
| | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney, NSW 2007, Australia.
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8
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Bogdanova DA, Kolosova ED, Pukhalskaia TV, Levchuk KA, Demidov ON, Belotserkovskaya EV. The Differential Effect of Senolytics on SASP Cytokine Secretion and Regulation of EMT by CAFs. Int J Mol Sci 2024; 25:4031. [PMID: 38612842 PMCID: PMC11012227 DOI: 10.3390/ijms25074031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 03/28/2024] [Accepted: 04/02/2024] [Indexed: 04/14/2024] Open
Abstract
The tumor microenvironment (TME) plays an essential role in tumor progression and in modulating tumor response to anticancer therapy. Cellular senescence leads to a switch in the cell secretome, characterized by the senescence-associated secretory phenotype (SASP), which may regulate tumorigenesis. Senolytic therapy is considered a novel anticancer strategy that eliminates the deleterious effects of senescent cells in the TME. Here, we show that two different types of senolytic drugs, despite efficiently depleting senescent cells, have opposite effects on cancer-associated fibroblasts (CAFs) and their ability to regulate epithelial-mesenchymal transition (EMT). We found that senolytic drugs, navitoclax and the combination of dasatinib/quercetin, reduced the number of spontaneously senescent and TNF-induced senescent CAFs. Despite the depletion of senescent cells, the combination of dasatinib/quercetin versus navitoclax increased the secretion of the SASP pro-inflammatory cytokine IL-6. This differential effect correlated with the promotion of enhanced migration and EMT in MC38 colorectal cancer cells. Our results demonstrate that some senolytics may have side effects unrelated to their senolytic activity and may promote tumorigenesis. We argue for more careful and extensive studies of the effects of senolytics on various aspects of tumor progression and tumor resistance to therapy before the senolytic strategy is implemented in the clinic.
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Affiliation(s)
- Daria A. Bogdanova
- Division of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Krasndarsky Krai, 354340 Sochi, Russia
- Institute of Cytology RAS, 194064 St. Petersburg, Russia
| | | | - Tamara V. Pukhalskaia
- Division of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Krasndarsky Krai, 354340 Sochi, Russia
- Institute of Cytology RAS, 194064 St. Petersburg, Russia
| | - Ksenia A. Levchuk
- World-Class Research Centre for Personalized Medicine, Almazov National Medical Research Centre, 197341 St. Petersburg, Russia
| | - Oleg N. Demidov
- Division of Immunobiology and Biomedicine, Sirius University of Science and Technology, Sirius, Krasndarsky Krai, 354340 Sochi, Russia
- Institute of Cytology RAS, 194064 St. Petersburg, Russia
- INSERM UMR1231, University of Burgundy, 21078 Dijon, France
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9
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Chen P, Wang Y, Zhou B. Insights into targeting cellular senescence with senolytic therapy: The journey from preclinical trials to clinical practice. Mech Ageing Dev 2024; 218:111918. [PMID: 38401690 DOI: 10.1016/j.mad.2024.111918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/07/2024] [Accepted: 02/21/2024] [Indexed: 02/26/2024]
Abstract
Interconnected, fundamental aging processes are central to many illnesses and diseases. Cellular senescence is a mechanism that halts the cell cycle in response to harmful stimuli. Senescent cells (SnCs) can emerge at any point in life, and their persistence, along with the numerous proteins they secrete, can negatively affect tissue function. Interventions aimed at combating persistent SnCs, which can destroy tissues, have been used in preclinical models to delay, halt, or even reverse various diseases. Consequently, the development of small-molecule senolytic medicines designed to specifically eliminate SnCs has opened potential avenues for the prevention or treatment of multiple diseases and age-related issues in humans. In this review, we explore the most promising approaches for translating small-molecule senolytics and other interventions targeting senescence in clinical practice. This discussion highlights the rationale for considering SnCs as therapeutic targets for diseases affecting individuals of all ages.
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Affiliation(s)
- Peng Chen
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China.
| | - Yulai Wang
- Department of Pharmacy, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Huangshi, Hubei, P.R. China
| | - Benhong Zhou
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, PR China
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10
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Ansari MM, Ghosh M, Lee DS, Son YO. Senolytic therapeutics: An emerging treatment modality for osteoarthritis. Ageing Res Rev 2024; 96:102275. [PMID: 38494091 DOI: 10.1016/j.arr.2024.102275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 02/15/2024] [Accepted: 03/14/2024] [Indexed: 03/19/2024]
Abstract
Osteoarthritis (OA), a chronic joint disease affecting millions of people aged over 65 years, is the main musculoskeletal cause of diminished joint mobility in the elderly. It is characterized by lingering pain and increasing deterioration of articular cartilage. Aging and accumulation of senescent cells (SCs) in the joints are frequently associated with OA. Apoptosis resistance; irreversible cell cycle arrest; increased p16INK4a expression, secretion of senescence-associated secretory phenotype factors, senescence-associated β-galactosidase levels, secretion of extracellular vesicles, and levels of reactive oxygen and reactive nitrogen species; and mitochondrial dysregulation are some common changes in cellular senescence in joint tissues. Development of OA correlates with an increase in the density of SCs in joint tissues. Senescence-associated secretory phenotype has been linked to OA and cartilage breakdown. Senolytics and therapeutic pharmaceuticals are being focused upon for OA management. SCs can be selectively eliminated or killed by senolytics to halt the pathogenesis and progression of OA. Comprehensive understanding of how aging affects joint dysfunction will benefit OA patients. Here, we discuss age-related mechanisms associated with OA pathogenesis and senolytics as an emerging modality in the management of age-related SCs and pathogenesis of OA in preclinical and clinical studies.
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Affiliation(s)
- Md Meraj Ansari
- Department of Animal Biotechnology, Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju-si 63243, Republic of Korea
| | - Mrinmoy Ghosh
- Department of Animal Biotechnology, Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju-si 63243, Republic of Korea; Department of Biotechnology, School of Bio, Chemical and Processing Engineering (SBCE), Kalasalingam Academy of Research and Education, Krishnankoil 626126, India
| | - Dong-Sun Lee
- Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju-si 63243, Republic of Korea; Bio-Health Materials Core-Facility Center, Jeju National University, Jeju 63243, Republic of Korea; Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju-si 63243, Republic of Korea; Practical Translational Research Center, Jeju National University, Jeju 63243, Republic of Korea.
| | - Young-Ok Son
- Department of Animal Biotechnology, Faculty of Biotechnology, College of Applied Life Sciences, Jeju National University, Jeju-si 63243, Republic of Korea; Interdisciplinary Graduate Program in Advanced Convergence Technology and Science, Jeju National University, Jeju-si 63243, Republic of Korea; Bio-Health Materials Core-Facility Center, Jeju National University, Jeju 63243, Republic of Korea; Practical Translational Research Center, Jeju National University, Jeju 63243, Republic of Korea.
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11
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Eppard M, Passos JF, Victorelli S. Telomeres, cellular senescence, and aging: past and future. Biogerontology 2024; 25:329-339. [PMID: 38150087 DOI: 10.1007/s10522-023-10085-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 11/20/2023] [Indexed: 12/28/2023]
Abstract
Over half a century has passed since Alexey Olovnikov's groundbreaking proposal of the end-replication problem in 1971, laying the foundation for our understanding of telomeres and their pivotal role in cellular senescence. This review paper delves into the intricate and multifaceted relationship between cellular senescence, the influence of telomeres in this process, and the far-reaching consequences of telomeres in the context of aging and age-related diseases. Additionally, the paper investigates the various factors that can influence telomere shortening beyond the confines of the end-replication problem and how telomeres can exert their impact on aging, even in the absence of significant shortening. Ultimately, this paper stands as a tribute to the pioneering work of Olovnikov, whose seminal contributions established the solid foundation upon which our ongoing explorations of telomeres and the aging process are based.
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Affiliation(s)
- Madeline Eppard
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
| | - Stella Victorelli
- Department of Physiology and Biomedical Engineering, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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12
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He J, Li J, Li Y, Xu Z, Ma M, Chen H, Chen P, Lv L, Shang X, Liu G. Single-cell transcriptomics identifies senescence-associated secretory phenotype (SASP) features of testicular aging in human. Aging (Albany NY) 2024; 16:3350-3362. [PMID: 38349859 DOI: 10.18632/aging.205538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/29/2023] [Indexed: 02/15/2024]
Abstract
The male reproductive system experiences degradation with age, predominantly impacting the testes. Testicular aging can result in failure to produce physiological testosterone levels, normal sperm concentrations, or both. However, we cannot predict the onset of testicular aging in advance. Using single-cell RNA sequencing (scRNA-seq) from Gene Expression Omnibus (GEO) database, we conducted cell-cell communication network of human testis between older and young group, indicating Leydig cells' potential role in spermatogenesis microenvironment of aging testis. And we depicted the senescence-Associated Secretory Phenotype (SASP) features of aging testis by identifying differentially expressed senescence-associated secretory phenotype (SASP)-related genes between two group. Notably, IGFBP7 mainly expressed in Leydig cells of those differentially expressed SASP-related genes in aging testis. Furthermore, IGFBP7 protein located in the interstitial compartment of older mice confirmed by immunofluorescence and highly expressed in both human seminal plasma and mouse testis in the older group confirmed through Western blot. Together, our findings suggest that IGFBP7 may be a new biomarker of testicular aging.
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Affiliation(s)
- Junxian He
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Jindong Li
- Department of Andrology, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, China
- Department of Urology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570100, China
| | - Yanqing Li
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Zhenhan Xu
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Menghui Ma
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Haicheng Chen
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Peigen Chen
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Linyan Lv
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
| | - Xuejun Shang
- Department of Andrology, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, China
| | - Guihua Liu
- Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
- Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
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13
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Nieto M, Konigsberg M, Silva-Palacios A. Quercetin and dasatinib, two powerful senolytics in age-related cardiovascular disease. Biogerontology 2024; 25:71-82. [PMID: 37747577 DOI: 10.1007/s10522-023-10068-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 09/01/2023] [Indexed: 09/26/2023]
Abstract
Cellular senescence is characteristic of the development and progression of multiple age-associated diseases. Accumulation of senescent cells in the heart contributes to various age-related pathologies. Several compounds called senolytics have been designed to eliminate these cells within the tissues. In recent years, the use and study of senolytics increased, representing a promising field for finding accessible and safe therapies for cardiovascular disease (CVD) treatment. This mini-review discusses the changes in the aging heart and the participation of senescent cells in CVD, as well as the use of senolytics to prevent the progression of myocardial damage, mainly the effect of dasatinib and quercetin. In particular, the mechanisms and physiological effects of senolytics therapies in the aged heart are discussed.
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Affiliation(s)
- Mario Nieto
- Department of Cardiovascular Biomedicine, National Institute of Cardiology, Ignacio Chávez, Juan Badiano No. 1. Colonia Sección XVI, 14080, Mexico City, Mexico
- Department of Health Sciences, Universidad Autónoma Metropolitana Iztapalapa, Mexico City, Mexico
| | - Mina Konigsberg
- Department of Health Sciences, Universidad Autónoma Metropolitana Iztapalapa, Mexico City, Mexico
| | - Alejandro Silva-Palacios
- Department of Cardiovascular Biomedicine, National Institute of Cardiology, Ignacio Chávez, Juan Badiano No. 1. Colonia Sección XVI, 14080, Mexico City, Mexico.
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14
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Wang T, Yang C, Li Z, Li T, Zhang R, Zhao Y, Cheng T, Zong Z, Ma Y, Zhang D, Deng H. Flavonoid 4,4'-dimethoxychalcone selectively eliminates senescent cells via activating ferritinophagy. Redox Biol 2024; 69:103017. [PMID: 38176315 PMCID: PMC10791569 DOI: 10.1016/j.redox.2023.103017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024] Open
Abstract
Flavonoids are bioactive natural polyphenolic compounds with health benefits, including anti-tumor, anti-inflammatory and anti-aging effects. Our previous studies revealed that a flavonoid 4,4'-dimethoxychalcone (DMC) induced ferroptosis via inhibiting ferrochelatase (FECH). However, the effect of DMC on cellular senescence is unknown. In the present study, we found that DMC treatment selectively eliminated senescent cells, and DMC alone or a combination of DMC and quercetin or dasatinib showed high efficiency in the clearance of senescent cells. We identified FECH was highly expressed in senescent cells compared to non-senescent cells. Mechanistically, we found that DMC inhibited FECH and induced ferritinophagy, which led to an increase of labile iron pool, triggering ferroptosis of senescent cells. Importantly, we found that DMC treatment prevented hair loss, improved motor coordination, and reduced the expression of several senescence-associated secretory phenotype factors (IL-6, IL-1β, CXCL-10, and MMP12) in the liver of old mice. Collectively, we revealed that, through the induction of ferroptosis, DMC holds the promise as a new senolytics to prevent age-related pathologies.
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Affiliation(s)
- Tianxiang Wang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Changmei Yang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Zhiqiang Li
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Ting Li
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Ran Zhang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Yujiao Zhao
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Tianyi Cheng
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Zhaoyun Zong
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Yingying Ma
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Dongyuan Zhang
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China
| | - Haiteng Deng
- MOE Key Laboratory of Bioinformatics, Center for Synthetic and Systematic Biology, School of Life Sciences, Tsinghua University, Beijing, 100084, PR China.
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15
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He L, Li M, Wang X, Wu X, Yue G, Wang T, Zhou Y, Lei B, Zhou G. Morphology-based deep learning enables accurate detection of senescence in mesenchymal stem cell cultures. BMC Biol 2024; 22:1. [PMID: 38167069 PMCID: PMC10762950 DOI: 10.1186/s12915-023-01780-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 11/24/2023] [Indexed: 01/05/2024] Open
Abstract
BACKGROUND Cell senescence is a sign of aging and plays a significant role in the pathogenesis of age-related disorders. For cell therapy, senescence may compromise the quality and efficacy of cells, posing potential safety risks. Mesenchymal stem cells (MSCs) are currently undergoing extensive research for cell therapy, thus necessitating the development of effective methods to evaluate senescence. Senescent MSCs exhibit distinctive morphology that can be used for detection. However, morphological assessment during MSC production is often subjective and uncertain. New tools are required for the reliable evaluation of senescent single cells on a large scale in live imaging of MSCs. RESULTS We have developed a successful morphology-based Cascade region-based convolution neural network (Cascade R-CNN) system for detecting senescent MSCs, which can automatically locate single cells of different sizes and shapes in multicellular images and assess their senescence state. Additionally, we tested the applicability of the Cascade R-CNN system for MSC senescence and examined the correlation between morphological changes with other senescence indicators. CONCLUSIONS This deep learning has been applied for the first time to detect senescent MSCs, showing promising performance in both chronic and acute MSC senescence. The system can be a labor-saving and cost-effective option for screening MSC culture conditions and anti-aging drugs, as well as providing a powerful tool for non-invasive and real-time morphological image analysis integrated into cell production.
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Affiliation(s)
- Liangge He
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China
- Department of Medical Cell Biology and Genetics, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopedic Diseases, Shenzhen University Medical School, Shenzhen, 518060, China
| | - Mingzhu Li
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China
| | - Xinglie Wang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China
| | - Xiaoyan Wu
- Department of Dermatology, Shenzhen Institute of Translational Medicine, Shenzhen Second People's Hospital, The First Affiliated Hospital of Shenzhen University, Shenzhen, 518035, China
| | - Guanghui Yue
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China
| | - Tianfu Wang
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China
| | - Yan Zhou
- Department of Medical Cell Biology and Genetics, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopedic Diseases, Shenzhen University Medical School, Shenzhen, 518060, China
- Lungene Biotech Ltd., Shenzhen, 18000, China
| | - Baiying Lei
- Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, National-Regional Key Technology Engineering Laboratory for Medical Ultrasound, School of Biomedical Engineering, Shenzhen University Medical School, 1066 Xueyuan Avenue, Shenzhen, 518060, China.
| | - Guangqian Zhou
- Department of Medical Cell Biology and Genetics, Shenzhen Key Laboratory of Anti-Aging and Regenerative Medicine, Shenzhen Engineering Laboratory of Regenerative Technologies for Orthopedic Diseases, Shenzhen University Medical School, Shenzhen, 518060, China.
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16
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Chae CW, Jung YH, Han HJ. Transcription Factor EB-Mediated Lysosomal Function Regulation for Determining Stem Cell Fate under Metabolic Stress. Mol Cells 2023; 46:727-735. [PMID: 38052487 PMCID: PMC10701302 DOI: 10.14348/molcells.2023.0143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/12/2023] [Accepted: 10/20/2023] [Indexed: 12/07/2023] Open
Abstract
Stem cells require high amounts of energy to replicate their genome and organelles and differentiate into numerous cell types. Therefore, metabolic stress has a major impact on stem cell fate determination, including self-renewal, quiescence, and differentiation. Lysosomes are catabolic organelles that influence stem cell function and fate by regulating the degradation of intracellular components and maintaining cellular homeostasis in response to metabolic stress. Lysosomal functions altered by metabolic stress are tightly regulated by the transcription factor EB (TFEB) and TFE3, critical regulators of lysosomal gene expression. Therefore, understanding the regulatory mechanism of TFEB-mediated lysosomal function may provide some insight into stem cell fate determination under metabolic stress. In this review, we summarize the molecular mechanism of TFEB/TFE3 in modulating stem cell lysosomal function and then elucidate the role of TFEB/TFE3-mediated transcriptional activity in the determination of stem cell fate under metabolic stress.
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Affiliation(s)
- Chang Woo Chae
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul 08826, Korea
- These authors contributed equally to this work
| | - Young Hyun Jung
- Department of Physiology, College of Medicine, Soonchunhyang University, Cheonan 31151, Korea
- These authors contributed equally to this work
| | - Ho Jae Han
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 Four Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul 08826, Korea
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17
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Dai D, Wang J, Zhang H, Wu S, Qi G. Uterine microbial communities and their potential role in the regulation of epithelium cell cycle and apoptosis in aged hens. MICROBIOME 2023; 11:251. [PMID: 37951950 PMCID: PMC10638742 DOI: 10.1186/s40168-023-01707-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 10/18/2023] [Indexed: 11/14/2023]
Abstract
BACKGROUND Alterations of the uterine microbiome are closely associated with various intrauterine diseases and physiological conditions, which are well-established in mammals. However, as representative oviparous animals, the research on the uterine microbial ecosystem and its functions with physiological homeostasis is limited in chickens. Additionally, continuous egg-laying disrupts the oviducal immune defenses of aged hens, susceptible to pathogen invasion, causing poor egg quality and food-borne infections in humans. Here, we investigated aging-related changes in the oviduct microbial colonization and transmission from the gut to eggs and their roles in a hen model. RESULTS The results of 16S rDNA sequencing showed significant differences in the oviduct microbial composition between young (38 weeks) and aged (77 weeks) laying hens. SourceTracker analysis further revealed differences in the effects of microbial transmission on the oviducal microbiota between young and aged hens. Enhanced barrier defense with cell apoptosis suppression and cell cycle arrest of the uterus were observed in aged hens reducing microbial transmission from the lower to upper reproductive tract. In addition, a total of 361 significantly differential metabolites were identified using metabolomics in the aged uterine microbiota, especially in products of amino acid metabolism and biosynthesis of various secondary metabolites, which might have essential effects on cell apoptosis by regulating immune responses and cell cycle. Notably, antibiotics disrupted uterine microbiota by dietary intervention and direct perfusion did not retard aging-related physiological changes but further aggravated aging processes by disrupting the cell cycle and apoptosis. CONCLUSIONS The microbiota continuum along the reproductive tract in aged birds differs from that in young birds, especially with a significant shift in the uterus. The aged uterine microbiota probably contributes to the regulation of cell cycle and apoptosis by microbial metabolites primarily involved in amino acid metabolism and biosynthesis of various secondary metabolites. These findings provide new insights into the roles of the reproductive tract microbiota in regulating the cell programming of the aged host, contributing to the exploration of the microbiome as a target for diagnosing aging health status and therapy for gynecological diseases in women. Video Abstract.
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Affiliation(s)
- Dong Dai
- Laboratory of Quality and Safety Risk Assessment for Animal Products On Feed Hazards (Beijing) of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South St., Haidian district, Beijing, 100081, China
| | - Jing Wang
- Laboratory of Quality and Safety Risk Assessment for Animal Products On Feed Hazards (Beijing) of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South St., Haidian district, Beijing, 100081, China.
| | - Haijun Zhang
- Laboratory of Quality and Safety Risk Assessment for Animal Products On Feed Hazards (Beijing) of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South St., Haidian district, Beijing, 100081, China
| | - Shugeng Wu
- Laboratory of Quality and Safety Risk Assessment for Animal Products On Feed Hazards (Beijing) of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South St., Haidian district, Beijing, 100081, China
| | - Guanghai Qi
- Laboratory of Quality and Safety Risk Assessment for Animal Products On Feed Hazards (Beijing) of the Ministry of Agriculture and Rural Affairs, Institute of Feed Research, Chinese Academy of Agricultural Sciences, No. 12 Zhongguancun South St., Haidian district, Beijing, 100081, China
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18
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Han S, Budinger GS, Gottardi CJ. Alveolar epithelial regeneration in the aging lung. J Clin Invest 2023; 133:e170504. [PMID: 37843280 PMCID: PMC10575730 DOI: 10.1172/jci170504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2023] Open
Abstract
Advancing age is the most important risk factor for the development of and mortality from acute and chronic lung diseases, including pneumonia, chronic obstructive pulmonary disease, and pulmonary fibrosis. This risk was manifest during the COVID-19 pandemic, when elderly people were disproportionately affected and died from SARS-CoV-2 pneumonia. However, the recent pandemic also provided lessons on lung resilience. An overwhelming majority of patients with SARS-CoV-2 pneumonia, even those with severe disease, recovered with near-complete restoration of lung architecture and function. These observations are inconsistent with historic views of the lung as a terminally differentiated organ incapable of regeneration. Here, we review emerging hypotheses that explain how the lung repairs itself after injury and why these mechanisms of lung repair fail in some individuals, particularly the elderly.
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Affiliation(s)
- SeungHye Han
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
| | - G.R. Scott Budinger
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
- Cell and Developmental Biology, Northwestern University, Chicago, Illinois, USA
| | - Cara J. Gottardi
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, and
- Cell and Developmental Biology, Northwestern University, Chicago, Illinois, USA
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19
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Zhong L, Wu Y, Huang C, Liu K, Ye CF, Ren Z, Wang Y. Acute toxicological evaluation of AT-533 and AT-533 gel in Sprague-Dawley rats. BMC Pharmacol Toxicol 2023; 24:54. [PMID: 37833798 PMCID: PMC10576390 DOI: 10.1186/s40360-023-00696-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 10/10/2023] [Indexed: 10/15/2023] Open
Abstract
BACKGROUND AT-533 is a novel heat shock protein 90 inhibitor that exerting anti-inflammatory, antiviral, and antitumor efficacy. Furthermore, the gel made of AT-533 as raw material named AT-533 gel has the function of repairing keratitis and dermatitis caused by herpes virus infection. However, the acute safety evaluation of AT-533 and AT-533 gel has not been conducted. METHODS AND RESULTS Herein, we performed acute toxicological studies of AT-533 and AT-533 gel in Sprague-Dawley rats. Fifteen-day acute toxicity study of AT-533 was conducted in both male and female Sprague-Dawley rats at doses of 5, 50, 250 and 500 mg/kg and AT-533 gel at 5 g/kg in the study. During experiment, food consumption and mortality were observed and body weight, hematology, serum biochemistry and histopathological assessment of rats were carried out. No abnormal changes were observed in rats percutaneously treated with AT-533 at 5 mg/kg and 50 mg/kg and AT-533 gel. However, loss of appetite and body weight, adverse reactions, toxicologically relevant alterations in hematology and biochemistry were found in rats percutaneously treated with AT-533 at 250 mg/kg and 500 mg/kg during 15-day acute dermic toxicity study. CONCLUSIONS The aforementioned results suggested that the LD50 of AT-533 is 228.382 mg/kg and the LD50 of AT-533 gel is greater than 5 g/kg. These findings indicated that AT-533 is non-toxic in rats when the dose less than 50 mg/kg and AT-533 gel can be considered a gel with no toxicity at doses less than 5 g/kg.
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Affiliation(s)
- Lishan Zhong
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China
| | - Yanting Wu
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China
- Guangzhou (Jinan) Biomedical Research and Development Center Co. Ltd, Guangzhou, China
| | - Chen Huang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China
| | - Kaisheng Liu
- Guangdong Provincial Clinical Research Center for Geriatrics, Shenzhen Clinical Research Center for Geriatrics,Shenzhen People's Hospital, The Second Clinical Medical College, Jinan University, Shenzhen, Guangdong, China.
- Shenzhen People's Hospital, The First Affiliated Hospital, Southern University of Science and Technology, Shenzhen, Guangdong, China.
| | - Cui-Fang Ye
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China
| | - Zhe Ren
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China
| | - Yifei Wang
- Department of Cell Biology, College of Life Science and Technology, Jinan University, Guangzhou, China.
- Guangdong Province Key Laboratory of Bioengineering Medicine, Guangzhou, China.
- Guangdong Provincial biotechnology drug and Engineering Technology Research Center, Guangzhou, China.
- Guangzhou (Jinan) Biomedical Research and Development Center Co. Ltd, Guangzhou, China.
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20
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Lin MJ, Hu SL, Tian Y, Zhang J, Liang N, Sun R, Gong SX, Wang AP. Targeting Vascular Smooth Muscle Cell Senescence: A Novel Strategy for Vascular Diseases. J Cardiovasc Transl Res 2023; 16:1010-1020. [PMID: 36973566 DOI: 10.1007/s12265-023-10377-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 03/13/2023] [Indexed: 03/29/2023]
Abstract
Vascular diseases are a major threat to human health, characterized by high rates of morbidity, mortality, and disability. VSMC senescence contributes to dramatic changes in vascular morphology, structure, and function. A growing number of studies suggest that VSMC senescence is an important pathophysiological mechanism for the development of vascular diseases, including pulmonary hypertension, atherosclerosis, aneurysm, and hypertension. This review summarizes the important role of VSMC senescence and senescence-associated secretory phenotype (SASP) secreted by senescent VSMCs in the pathophysiological process of vascular diseases. Meanwhile, it concludes the progress of antisenescence therapy targeting VSMC senescence or SASP, which provides new strategies for the prevention and treatment of vascular diseases.
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Affiliation(s)
- Meng-Juan Lin
- Department of Physiology, Institute of Neuroscience Research, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Shi-Liang Hu
- Department of Rheumatology, Shaoyang Central Hospital, Shaoyang, 422000, China
| | - Ying Tian
- Institute of Clinical Research, Department of Clinical Laboratory, Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, 421002, Hunan, China
| | - Jing Zhang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
| | - Na Liang
- Institute of Clinical Research, Department of Clinical Laboratory, Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, 421002, Hunan, China
| | - Rong Sun
- Department of Physiology, Institute of Neuroscience Research, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China
- Institute of Clinical Research, Department of Clinical Laboratory, Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, 421002, Hunan, China
| | - Shao-Xin Gong
- Department of Pathology, First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
| | - Ai-Ping Wang
- Department of Physiology, Institute of Neuroscience Research, Hengyang Medical School, University of South China, Hengyang, 421001, Hunan, China.
- Institute of Clinical Research, Department of Clinical Laboratory, Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, 421002, Hunan, China.
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21
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Yang X, Wang Y, Rovella V, Candi E, Jia W, Bernassola F, Bove P, Piacentini M, Scimeca M, Sica G, Tisone G, Mauriello A, Wei L, Melino G, Shi Y. Aged mesenchymal stem cells and inflammation: from pathology to potential therapeutic strategies. Biol Direct 2023; 18:40. [PMID: 37464416 PMCID: PMC10353240 DOI: 10.1186/s13062-023-00394-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 06/27/2023] [Indexed: 07/20/2023] Open
Abstract
Natural ageing of organisms and corresponding age-related diseases result mainly from stem cell ageing and "inflammaging". Mesenchymal stem cells (MSCs) exhibit very high immune-regulating capacity and are promising candidates for immune-related disease treatment. However, the effect of MSC application is not satisfactory for some patients, especially in elderly individuals. With ageing, MSCs undergo many changes, including altered cell population reduction and differentiation ability, reduced migratory and homing capacity and, most important, defective immunosuppression. It is necessary to explore the relationship between the "inflammaging" and aged MSCs to prevent age-related diseases and increase the therapeutic effects of MSCs. In this review, we discuss changes in naturally ageing MSCs mainly from an inflammation perspective and propose some ideas for rejuvenating aged MSCs in future treatments.
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Affiliation(s)
- Xue Yang
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
- The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu China
| | - Ying Wang
- The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu China
| | - Valentina Rovella
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Eleonora Candi
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Wei Jia
- Center for Translational Medicine, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Sixth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200233 China
- School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tong, Hong Kong China
| | - Francesca Bernassola
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Pierluigi Bove
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Mauro Piacentini
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Manuel Scimeca
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Giuseppe Sica
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Giuseppe Tisone
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Alessandro Mauriello
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Lixin Wei
- Department of Tumor Immunology and Gene Therapy Center, Third Affiliated Hospital of Naval Medical University, Shanghai, 200438 China
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome Tor Vergata, Rome, 00133 Italy
| | - Yufang Shi
- The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, State Key Laboratory of Radiation Medicine and Protection, Medical College of Soochow University, Suzhou, Jiangsu China
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22
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Hakim SG, von der Gracht A, Pries R, Rades D, Steller D. Protective impact of nicotinamide mononucleotide (NMN) and platelet-rich fibrin (PRF) on replicative and radiation-induced senescence of human osteoblasts. J Craniomaxillofac Surg 2023; 51:497-507. [PMID: 37438229 DOI: 10.1016/j.jcms.2023.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/04/2023] [Accepted: 06/25/2023] [Indexed: 07/14/2023] Open
Abstract
The aim of this study was to investigate the cellular changes induced by spontaneous/replicative senescence and radiation in human osteoblasts (OBs), and the impact of cultivation with nicotinamide mononucleotide (NMN) and platelet-rich fibrin (PRF) on apoptosis, senescence-associated β-galactosidase staining (SA β-gal), and senescence-related gene expression using RT2 Profiler PCR array. The results showed that replicative OB aging follows a different pattern from that of radiation-induced cellular senescence. SA β-gal intensity score showed a significant elevation after spontaneous replicative aging of OB (agiT1) 7 days following the start of the experiment, compared with their initial control condition (T0) (T0 = 2.1 ± 0.47; agiT1 = 9.60 ± 1.56; p = 0.001). Concurrent treatment by NMN and PRF showed a protective effect on OBs undergoing replicative senescence, and reduced SA β-gal staining significantly (agiT1 = 9.60 ± 1.56; agiT1+PRF = 3.19 ± 0.52; agiT1+NMN = 3.38 ± 0.36; p < 0.001). These results provide evidence for the potential clinical implications of systematic NMN administration and local PRF application to prevent age-related bone disturbances in elderly patients.
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Affiliation(s)
- Samer G Hakim
- Department of Oral and Maxillofacial Surgery, Helios Medical Center, Schwerin, Germany; Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein (Campus Lübeck), Lübeck, Germany.
| | - Anij von der Gracht
- Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein (Campus Lübeck), Lübeck, Germany
| | - Ralph Pries
- Department of Otolaryngology, Head and Neck Surgery, University Hospital Schleswig-Holstein (Campus Lübeck), Lübeck, Germany
| | - Dirk Rades
- Department of Radiation Oncology, University Hospital Schleswig-Holstein (Campus Lübeck), Lübeck, Germany
| | - Daniel Steller
- Department of Oral and Maxillofacial Surgery, University Hospital Schleswig-Holstein (Campus Lübeck), Lübeck, Germany
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23
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Pan CC, Maeso-Díaz R, Lewis TR, Xiang K, Tan L, Liang Y, Wang L, Yang F, Yin T, Wang C, Du K, Huang D, Oh SH, Wang E, Lim BJW, Chong M, Alexander PB, Yao X, Arshavsky VY, Li QJ, Diehl AM, Wang XF. Antagonizing the irreversible thrombomodulin-initiated proteolytic signaling alleviates age-related liver fibrosis via senescent cell killing. Cell Res 2023; 33:516-532. [PMID: 37169907 PMCID: PMC10313785 DOI: 10.1038/s41422-023-00820-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 04/10/2023] [Indexed: 05/13/2023] Open
Abstract
Cellular senescence is a stress-induced, stable cell cycle arrest phenotype which generates a pro-inflammatory microenvironment, leading to chronic inflammation and age-associated diseases. Determining the fundamental molecular pathways driving senescence instead of apoptosis could enable the identification of senolytic agents to restore tissue homeostasis. Here, we identify thrombomodulin (THBD) signaling as a key molecular determinant of the senescent cell fate. Although normally restricted to endothelial cells, THBD is rapidly upregulated and maintained throughout all phases of the senescence program in aged mammalian tissues and in senescent cell models. Mechanistically, THBD activates a proteolytic feed-forward signaling pathway by stabilizing a multi-protein complex in early endosomes, thus forming a molecular basis for the irreversibility of the senescence program and ensuring senescent cell viability. Therapeutically, THBD signaling depletion or inhibition using vorapaxar, an FDA-approved drug, effectively ablates senescent cells and restores tissue homeostasis in liver fibrosis models. Collectively, these results uncover proteolytic THBD signaling as a conserved pro-survival pathway essential for senescent cell viability, thus providing a pharmacologically exploitable senolytic target for senescence-associated diseases.
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Affiliation(s)
- Christopher C Pan
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Raquel Maeso-Díaz
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Tylor R Lewis
- Division of Ophthalmology, Department of Medicine, Duke University, Durham, NC, USA
| | - Kun Xiang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Lianmei Tan
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Yaosi Liang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Liuyang Wang
- Department of Molecular Genetics and Microbiology, Duke University, Durham, NC, USA
| | - Fengrui Yang
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Tao Yin
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Calvin Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Kuo Du
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - De Huang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Seh Hoon Oh
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Ergang Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | | | - Mengyang Chong
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Peter B Alexander
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
| | - Xuebiao Yao
- Department of Physiology, Morehouse School of Medicine, Atlanta, GA, USA
| | - Vadim Y Arshavsky
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA
- Division of Ophthalmology, Department of Medicine, Duke University, Durham, NC, USA
| | - Qi-Jing Li
- Department of Immunology, Duke University, Durham, NC, USA
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, NC, USA
| | - Xiao-Fan Wang
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC, USA.
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24
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Schmitt CA, Tchkonia T, Niedernhofer LJ, Robbins PD, Kirkland JL, Lee S. COVID-19 and cellular senescence. Nat Rev Immunol 2023; 23:251-263. [PMID: 36198912 PMCID: PMC9533263 DOI: 10.1038/s41577-022-00785-2] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/09/2022] [Indexed: 11/15/2022]
Abstract
The clinical severity of coronavirus disease 2019 (COVID-19) is largely determined by host factors. Recent advances point to cellular senescence, an ageing-related switch in cellular state, as a critical regulator of SARS-CoV-2-evoked hyperinflammation. SARS-CoV-2, like other viruses, can induce senescence and exacerbates the senescence-associated secretory phenotype (SASP), which is comprised largely of pro-inflammatory, extracellular matrix-degrading, complement-activating and pro-coagulatory factors secreted by senescent cells. These effects are enhanced in elderly individuals who have an increased proportion of pre-existing senescent cells in their tissues. SASP factors can contribute to a 'cytokine storm', tissue-destructive immune cell infiltration, endothelialitis (endotheliitis), fibrosis and microthrombosis. SASP-driven spreading of cellular senescence uncouples tissue injury from direct SARS-CoV-2-inflicted cellular damage in a paracrine fashion and can further amplify the SASP by increasing the burden of senescent cells. Preclinical and early clinical studies indicate that targeted elimination of senescent cells may offer a novel therapeutic opportunity to attenuate clinical deterioration in COVID-19 and improve resilience following infection with SARS-CoV-2 or other pathogens.
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Affiliation(s)
- Clemens A Schmitt
- Charité-Universitätsmedizin Berlin, Medical Department of Hematology, Oncology and Tumour Immunology, and Molekulares Krebsforschungszentrum-MKFZ, Campus Virchow Klinikum, Berlin, Germany.
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.
- Faculty of Medicine, Johannes Kepler University, Linz, Austria.
- Kepler University Hospital, Department of Hematology and Oncology, Linz, Austria.
- Deutsches Konsortium für Translationale Krebsforschung (German Cancer Consortium), Partner site Berlin, Berlin, Germany.
| | - Tamar Tchkonia
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Laura J Niedernhofer
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology, and Biochemistry, University of Minnesota, Minneapolis, MN, USA
| | - Paul D Robbins
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology, and Biochemistry, University of Minnesota, Minneapolis, MN, USA
| | - James L Kirkland
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA
| | - Soyoung Lee
- Charité-Universitätsmedizin Berlin, Medical Department of Hematology, Oncology and Tumour Immunology, and Molekulares Krebsforschungszentrum-MKFZ, Campus Virchow Klinikum, Berlin, Germany.
- Max Delbrück Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany.
- Faculty of Medicine, Johannes Kepler University, Linz, Austria.
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25
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Bone-targeted delivery of senolytics to eliminate senescent cells increases bone formation in senile osteoporosis. Acta Biomater 2023; 157:352-366. [PMID: 36470392 DOI: 10.1016/j.actbio.2022.11.056] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
Systemic elimination of senescent cells using senolytic drugs presents therapeutic effects on age-related diseases, including senile osteoporosis. However, low bioavailability and potential side effects of senolytics restrict clinical application. Therefore, we developed a bone-targeted delivery system for senolytics to effective treatment of senile osteoporosis. In this study, quercetin was screened out as the ideal senolytics for eliminating senescent BMSCs. Treatment of quercetin efficiently decreased the senescence markers in senescent BMSCs models. After treatment with quercetin in vitro, cell mitosis and calcification staining assay confirmed that the proliferation and osteogenesis of the senescent BMSCs populations were enhanced. To enhance the effectiveness and minimize the side effect of treatment, liposomes decorated with bone affinity peptide (DSS)6 were constructed for bone-targeted delivery of quercetin. After administration of liposomes loading quercetin in two aged mice models, histological and cellular analysis confirmed that bone-targeted treatment with quercetin efficiently eliminated senescent cells in bone, restored the function of BMCSs, and promoted bone formation in aged mice models when compared to non-targeted treatment. Taken together, the bone-targeted delivery of senolytics efficiently eliminates senescent cells to recover bone mass and microarchitecture, showing an effective treatment for senile osteoporosis. STATEMENT OF SIGNIFICANCE: Senile osteoporosis, a common and hazardous chronic disease, has been still lacking effective therapy. How to effectively eliminate the hazards of senescent cells in skeleton to bone formation remains challenge. In this study, quercetin was screened out as the ideal senolytic drug for senescent BMSCs and could effectively eliminated senescent BMSCs to restore the cellular functions of senescent BMSCs models in vitro. Then, the bone-targeted liposomes were designed to encapsulate and deliver senolytics efficiently to senile bone tissue. Based on two aged mice models, we confirmed that bone-targeted delivery of quercetin efficiently eliminated senescent cells in skeleton and enhanced bone formation in vivo, suggesting the bone-targeted elimination of senescent cells is an effective treatment for senile osteoporosis.
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26
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Konar G, Flickinger Z, Sharma S, Vallone K, Lyon C, Doshier C, Lyon W, Patton JG. Damage-induced senescent immune cells regulate regeneration of the zebrafish retina. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.01.16.524296. [PMID: 36711649 PMCID: PMC9882244 DOI: 10.1101/2023.01.16.524296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Zebrafish spontaneously regenerate their retina in response to damage through the action of Müller glia. Even though Müller glia (MG) are conserved in higher vertebrates, the capacity to regenerate retinal damage is lost. Recent work has focused on the regulation of inflammation during tissue regeneration with precise temporal roles for macrophages and microglia. Senescent cells that have withdrawn from the cell cycle have mostly been implicated in aging, but are still metabolically active, releasing proinflammatory signaling molecules as part of the Senescence Associated Secretory Phenotype (SASP). Here, we discover that in response to retinal damage, a subset of cells expressing markers of microglia/macrophages also express markers of senescence. These cells display a temporal pattern of appearance and clearance during retina regeneration. Premature removal of senescent cells by senolytic treatment led to a decrease in proliferation and incomplete repair of the ganglion cell layer after NMDA damage. Our results demonstrate a role for modulation of senescent cell responses to balance inflammation, regeneration, plasticity, and repair as opposed to fibrosis and scarring.
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Affiliation(s)
| | | | - Shivani Sharma
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Kyle Vallone
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Charles Lyon
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - Claire Doshier
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - William Lyon
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
| | - James G. Patton
- Department of Biological Sciences, Vanderbilt University, Nashville TN, USA
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27
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Induction of premature senescence and a less-fibrogenic phenotype by programmed cell death 4 knockdown in the human hepatic stellate cell line Lieming Xu-2. Hum Cell 2023; 36:583-601. [PMID: 36522523 PMCID: PMC9947070 DOI: 10.1007/s13577-022-00844-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 12/03/2022] [Indexed: 12/23/2022]
Abstract
Although programmed cell death 4 (PDCD4) was initially reported as a tumor suppressor and has been shown to inhibit cancer cell growth and metastasis, recent studies have demonstrated that loss of PDCD4 expression also induces growth inhibition by inducing apoptosis and/or cellular senescence. At present, the roles of PDCD4 in the activation and profibrogenic properties of myofibroblasts, which are critically involved in organ fibrosis, such as that in the liver, are unclear. We, therefore, investigated the roles of PDCD4 in myofibroblasts using human hepatic stellate cell line Lieming Xu-2 (LX-2). PDCD4 knockdown inhibited LX-2 proliferation and induced a senescent phenotype with increased β-galactosidase staining and p21 expression in a p53-independent manner together with downregulation of the notch signaling mediator RBJ-κ/CSL. During PDCD4 knockdown, alpha smooth muscle actin (α-SMA; an activation marker of myofibroblasts), matrix metalloproteinases MMP-1 and MMP-9, and collagen IV were upregulated, but the expression of collagen1α1 and collagen III was markedly downregulated without any marked change in the expression of tissue inhibitor of metalloproteinase-1 (TIMP-1). These results demonstrated that knockdown of PDCD4 induced the cellular senescence phenotype and activated myofibroblasts while suppressing the profibrogenic phenotype, suggesting roles of PDCD4 in cellular senescence and fibrogenesis in the liver.
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28
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Alharbi KS, Afzal O, Altamimi ASA, Almalki WH, Kazmi I, Al-Abbasi FA, Alzarea SI, Makeen HA, Albratty M. A study of the molecular mechanism of quercetin and dasatinib combination as senolytic in alleviating age-related and kidney diseases. J Food Biochem 2022; 46:e14471. [PMID: 36268851 DOI: 10.1111/jfbc.14471] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/16/2022] [Accepted: 09/26/2022] [Indexed: 01/14/2023]
Abstract
Aging is a significant risk factor for the majority of prevalent human illnesses. The chance of having severe chronic conditions grows dramatically with advancing age. Indeed, more than 90% of people over 65 get at least one chronic disease, including diabetes, heart disease, malignancy, memory loss, and kidney disease, whereas more than 70% have two or more of these ailments. Mouse and human aging lead to increased senescent cells and decreased klotho concentrations. Mice lacking the protein α-klotho show faster aging, similar to human aging. α-Klotho upregulation extends life and slows or suppresses the onset of many age-related illnesses and kidney diseases. Like the consequences of α-klotho deficiency, senescent cell accumulation is linked to tissue dysfunction in various organs and multiple age-related kidney diseases. In addition, α-klotho and cell senescence are negatively and presumably mechanistically linked. Earlier research has demonstrated that klotho exerts its protective effects in age-related and kidney disease by interacting with Wnt ligands, serving as an endogenous antagonist of Wnt/β-catenin signaling. In addition, decreasing senescent cell burden with senolytics, a class of drugs that remove senescent cells selectively and extend the life span of mice. In this work, we are studying the molecular mechanism of the combination of quercetin and dasatinib as senolytic in easing age-related chronic renal illness by altering the level of klotho/Wnt/β-catenin. PRACTICAL APPLICATIONS: There is an inverse relationship between the onset and the development of age-related disorders and cellular senescence and Klotho. Earlier attempts to suppress transforming growth factor-beta 1 (TGF-β1) in kidney disease with anti-TGF-β1 antibodies were ineffective, and this should be kept in mind. Senolytic medications may benefit from targeting senescent cells, which enhances the protective factor α-klotho. In addition, our study provides a unique, translationally feasible route for creating orally active small compounds to enhance α-klotho, which may also be a valuable biomarker for age-related kidney disease. Additionally, other aspects of aging can be affected by senolytics, such as limiting age-related mitochondrial dysfunction, lowering inflammation and fibrosis, blunting reactive oxygen species (ROS) generation, decreasing deoxyribonucleic acid (DNA) damage, and reinforcing insulin sensitivity. Senolytic agents have been shown to increase adipose progenitor and cardiac progenitor cell activity in aging animals and animals with cellular senescence-related diseases, such as heart, brain, and kidney disease.
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Affiliation(s)
- Khalid Saad Alharbi
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Obaid Afzal
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al Kharj, Saudi Arabia
| | | | - Waleed Hassan Almalki
- Department of Pharmacology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Imran Kazmi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Fahad A Al-Abbasi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Sami I Alzarea
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Hafiz A Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
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Thompson EL, Pitcher LE, Niedernhofer LJ, Robbins PD. Targeting Cellular Senescence with Senotherapeutics: Development of New Approaches for Skin Care. Plast Reconstr Surg 2022; 150:12S-19S. [PMID: 36170431 PMCID: PMC9529240 DOI: 10.1097/prs.0000000000009668] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
SUMMARY Aging of the skin is evidenced by increased wrinkles, age spots, dryness, and thinning with decreased elasticity. Extrinsic and intrinsic factors including UV, pollution, and inflammation lead to an increase in senescent cells (SnCs) in skin with age that contribute to these observed pathological changes. Cellular senescence is induced by multiple types of damage and stress and is characterized by the irreversible exit from the cell cycle with upregulation of cell cycle-dependent kinase inhibitors p16INK4a and p21CIP1. Most SnCs also developed an inflammatory senescence-associated secretory phenotype (SASP) that drives further pathology through paracrine effects on neighboring cells and endocrine effects on cells at a distance. Recently, compounds able to kill senescent cells specifically, termed senolytics, or suppress the SASP, termed senomorphics, have been developed that have the potential to improve skin aging as well as systemic aging in general. Here, we provide a summary of the evidence for a key role in cellular senescence in driving skin aging. In addition, the evidence for the potential application of senotherapeutics for skin treatments is presented. Overall, topical, and possibly oral senotherapeutic treatments have tremendous potential to eventually become a standard of care for skin aging and related skin disorders.
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Affiliation(s)
- Elizabeth L Thompson
- From the Department of Biochemistry, Molecular Biology, and Biophysics, Institute on the Biology of Aging and Metabolism, University of Minnesota
| | - Louise E Pitcher
- From the Department of Biochemistry, Molecular Biology, and Biophysics, Institute on the Biology of Aging and Metabolism, University of Minnesota
| | - Laura J Niedernhofer
- From the Department of Biochemistry, Molecular Biology, and Biophysics, Institute on the Biology of Aging and Metabolism, University of Minnesota
| | - Paul D Robbins
- From the Department of Biochemistry, Molecular Biology, and Biophysics, Institute on the Biology of Aging and Metabolism, University of Minnesota
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Targeted delivery strategy: A beneficial partner for emerging senotherapy. Biomed Pharmacother 2022; 155:113737. [PMID: 36156369 DOI: 10.1016/j.biopha.2022.113737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 09/20/2022] [Accepted: 09/21/2022] [Indexed: 01/10/2023] Open
Abstract
Numerous cutting-edge studies have confirmed that the slow accumulation of cell cycle arrested and secretory cells, called senescent cells (SCs), in tissues is an important negative factor, or even the culprit, in age- associated diseases such as non-alcoholic fatty liver, Alzheimer's disease, type 2 diabetes, atherosclerosis, and malignant tumors. With further understanding of cellular senescence, SCs are important effective targets for the treatment of senescence-related diseases, called the Senotherapy. However, existing therapies, including Senolytics (which lyse SCs) and Senostatic (which regulate senescence-associated secretory phenotype), do not have the properties to target SCs, and side effects due to non-specific distribution are one of the hindrances to clinical use of Senotherapy. In the past few decades, targeted delivery has attracted much attention and been developed as a recognized diagnostic and therapeutic novel tool, due to the advantages of visualization of targets, more accurate drug/gene delivery, and ultimately "reduced toxicity and enhanced efficacy". Despite considerable advances in achieving targeted delivery, it has not yet been widely used in Senotherapy. In this review, we clarify the challenge for Senotherapy, then discuss how different targeted strategies contribute to imaging or therapy for SCs in terms of different biomarkers of SCs. Finally, the emerging nano-Senotherapy is prospected.
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Lewińska A, Wróbel K, Błoniarz D, Adamczyk-Grochala J, Wołowiec S, Wnuk M. Lapatinib- and fulvestrant-PAMAM dendrimer conjugates promote apoptosis in chemotherapy-induced senescent breast cancer cells with different receptor status. BIOMATERIALS ADVANCES 2022; 140:213047. [PMID: 35917687 DOI: 10.1016/j.bioadv.2022.213047] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/08/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
Lapatinib (L) and fulvestrant (F) are used in targeted anticancer therapies, in particular, against phenotypically different breast cancer cells. L, a dual inhibitor of EGFR and HER2 tyrosine kinases, is active against HER2-positive breast cancer cells, while F, a selective estrogen receptor degrader (SERD), is active against ER-positive breast cancer cells. However, the action of L and F can be limited due to their relatively low water solubility and bioavailability. In the present study, poly(amidoamine) (PAMAM) dendrimer G3 was functionalized with L or F or L and F to compare their effects with free L or F against breast cancer cells with different receptor status (ER-positive MCF-7, triple negative MDA-MB-231 and HER2-positive SK-BR-3 cells). L-PAMAM and F-PAMAM conjugates potentiated cytostatic and cytotoxic action of L and F that was accompanied by elevated levels of autophagy. TRDMT1, RNA methyltransferase, was also involved in this response as judged by TRDMT1 nuclear translocation and nano-drug resistance of TRDMT1 gene knockout cells. Nano-drugs also promoted elimination of doxorubicin-induced senescent breast cancer cells by apoptosis-mediated senolysis regardless of receptor status. In conclusion, we propose a novel anticancer approach based on L-PAMAM and F-PAMAM nanoplatforms being effective, at least, against breast cancer cells with different phenotypic features.
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Affiliation(s)
- Anna Lewińska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Rzeszow, Poland
| | - Konrad Wróbel
- Department of Biochemistry and General Chemistry, Medical College, University of Rzeszow, Rzeszow, Poland
| | - Dominika Błoniarz
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Rzeszow, Poland
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Rzeszow, Poland
| | - Stanisław Wołowiec
- Department of Biochemistry and General Chemistry, Medical College, University of Rzeszow, Rzeszow, Poland
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Rzeszow, Poland.
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Zhang L, Pitcher LE, Yousefzadeh MJ, Niedernhofer LJ, Robbins PD, Zhu Y. Cellular senescence: a key therapeutic target in aging and diseases. J Clin Invest 2022; 132:e158450. [PMID: 35912854 PMCID: PMC9337830 DOI: 10.1172/jci158450] [Citation(s) in RCA: 122] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Cellular senescence is a hallmark of aging defined by stable exit from the cell cycle in response to cellular damage and stress. Senescent cells (SnCs) can develop a characteristic pathogenic senescence-associated secretory phenotype (SASP) that drives secondary senescence and disrupts tissue homeostasis, resulting in loss of tissue repair and regeneration. The use of transgenic mouse models in which SnCs can be genetically ablated has established a key role for SnCs in driving aging and age-related disease. Importantly, senotherapeutics have been developed to pharmacologically eliminate SnCs, termed senolytics, or suppress the SASP and other markers of senescence, termed senomorphics. Based on extensive preclinical studies as well as small clinical trials demonstrating the benefits of senotherapeutics, multiple clinical trials are under way. This Review discusses the role of SnCs in aging and age-related diseases, strategies to target SnCs, approaches to discover and develop senotherapeutics, and preclinical and clinical advances of senolytics.
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Affiliation(s)
- Lei Zhang
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Louise E. Pitcher
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Matthew J. Yousefzadeh
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Laura J. Niedernhofer
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Paul D. Robbins
- Institute on the Biology of Aging and Metabolism and the Department of Biochemistry, Molecular Biology and Biophysics, University of Minnesota, Minneapolis, Minnesota, USA
| | - Yi Zhu
- Robert and Arlene Kogod Center on Aging, and
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, USA
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Filip K, Lewińska A, Adamczyk-Grochala J, Marino Gammazza A, Cappello F, Lauricella M, Wnuk M. 5-Azacytidine Inhibits the Activation of Senescence Program and Promotes Cytotoxic Autophagy during Trdmt1-Mediated Oxidative Stress Response in Insulinoma β-TC-6 Cells. Cells 2022; 11:cells11071213. [PMID: 35406777 PMCID: PMC8997412 DOI: 10.3390/cells11071213] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 03/23/2022] [Accepted: 03/28/2022] [Indexed: 02/06/2023] Open
Abstract
5-Azacytidine (5-azaC), a methyltransferase inhibitor and anticancer drug, can promote several cellular stress responses such as apoptosis, autophagy, and senescence. The action of 5-azaC is complex and can be modulated by dose, time of treatment, and co-administration with oxidants. Insulinoma is a rare pancreatic neuroendocrine tumor with limited chemotherapeutic options. In the present study, two cellular models of insulinoma were considered, namely NIT-1 and β-TC-6 mouse cells, to evaluate the effects of 5-azaC post-treatment during hydrogen peroxide-induced oxidative stress. 5-azaC attenuated the development of oxidant-induced senescent phenotype in both cell lines. No pro-apoptotic action of 5-azaC was observed in cells treated with the oxidant. On the contrary, 5-azaC stimulated an autophagic response, as demonstrated by the increase in phosphorylated eIF2α and elevated pools of autophagic marker LC3B in oxidant-treated β-TC-6 cells. Notably, autophagy resulted in increased necrotic cell death in β-TC-6 cells with higher levels of nitric oxide compared to less affected NIT-1 cells. In addition, 5-azaC increased levels of RNA methyltransferase Trdmt1, but lowered 5-mC and m6A levels, suggesting Trdmt1 inhibition. We postulate that the 5-azaC anticancer action may be potentiated during oxidative stress conditions that can be used to sensitize cancer cells, at least insulinoma cells, with limited drug responsiveness.
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Affiliation(s)
- Kamila Filip
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, Institute of Human Anatomy and Histology, University of Palermo, 90127 Palermo, Italy; (K.F.); (A.M.G.); (F.C.)
| | - Anna Lewińska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, 35959 Rzeszow, Poland; (J.A.-G.); (M.W.)
- Correspondence: (A.L.); (M.L.)
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, 35959 Rzeszow, Poland; (J.A.-G.); (M.W.)
| | - Antonella Marino Gammazza
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, Institute of Human Anatomy and Histology, University of Palermo, 90127 Palermo, Italy; (K.F.); (A.M.G.); (F.C.)
| | - Francesco Cappello
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, Institute of Human Anatomy and Histology, University of Palermo, 90127 Palermo, Italy; (K.F.); (A.M.G.); (F.C.)
- Euro-Mediterranean Institutes of Science and Technology, 90139 Palermo, Italy
| | - Marianna Lauricella
- Department of Biomedicine, Neurosciences and Advanced Diagnostics, Institute of Biochemistry, University of Palermo, 90127 Palermo, Italy
- Correspondence: (A.L.); (M.L.)
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, 35959 Rzeszow, Poland; (J.A.-G.); (M.W.)
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Wu CJ, Liu RX, Huan SW, Tang W, Zeng YK, Zhang JC, Yang J, Li ZY, Zhou Y, Zha ZG, Zhang HT, Liu N. Senescent skeletal cells cross-talk with synovial cells plays a key role in the pathogenesis of osteoarthritis. Arthritis Res Ther 2022; 24:59. [PMID: 35227288 PMCID: PMC8883702 DOI: 10.1186/s13075-022-02747-4] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 02/14/2022] [Indexed: 12/20/2022] Open
Abstract
Osteoarthritis (OA) has been recognized as an age-related degenerative disease commonly seen in the elderly that affects the whole “organ” including cartilage, subchondral bone, synovium, and muscles. An increasing number of studies have suggested that the accumulation of senescent cells triggering by various stresses in the local joint contributes to the pathogenesis of age-related diseases including OA. In this review, we mainly focus on the role of the senescent skeletal cells (chondrocytes, osteoblasts, osteoclasts, osteocyte, and muscle cells) in initiating the development and progression of OA alone or through cross-talk with the macrophages/synovial cells. Accordingly, we summarize the current OA-targeted therapies based on the abovementioned theory, e.g., by eliminating senescent skeletal cells and/or inhibiting the senescence-associated secretory phenotype (SASP) that drives senescence. Furthermore, the existing animal models for the study of OA from the perspective of senescence are highlighted to fill the gap between basic research and clinical applications. Overall, in this review, we systematically assess the current understanding of cellular senescence in OA, which in turn might shed light on the stratified OA treatments.
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Affiliation(s)
- Chong-Jie Wu
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Ri-Xu Liu
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Song-Wei Huan
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China.,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China
| | - Wang Tang
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Yu-Kai Zeng
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Jun-Cheng Zhang
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Jie Yang
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China.,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China
| | - Zhen-Yan Li
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China.,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China
| | - Ying Zhou
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China
| | - Zhen-Gang Zha
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China.,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China
| | - Huan-Tian Zhang
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China. .,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China.
| | - Ning Liu
- Department of Bone and Joint Surgery, the First Affiliated Hospital, Jinan University, Guangzhou, 510630, Guangdong, China. .,Institute of Orthopedic Diseases & The Bone and Joint Disease institute of Guangdong-Hong Kong-Macao Greater Bay Area, Jinan University, Guangzhou, 510630, China.
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Ramírez R, Ceprian N, Figuer A, Valera G, Bodega G, Alique M, Carracedo J. Endothelial Senescence and the Chronic Vascular Diseases: Challenges and Therapeutic Opportunities in Atherosclerosis. J Pers Med 2022; 12:jpm12020215. [PMID: 35207703 PMCID: PMC8874678 DOI: 10.3390/jpm12020215] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 01/31/2022] [Accepted: 02/01/2022] [Indexed: 11/16/2022] Open
Abstract
Atherosclerosis is probably one of the paradigms of disease linked to aging. Underlying the physiopathology of atherosclerosis are cellular senescence, oxidative stress, and inflammation. These factors are increased in the elderly and from chronic disease patients. Elevated levels of oxidative stress affect cellular function and metabolism, inducing senescence. This senescence modifies the cell phenotype into a senescent secretory phenotype. This phenotype activates immune cells, leading to chronic systemic inflammation. Moreover, due to their secretory phenotype, senescence cells present an increased release of highlighted extracellular vesicles that will change nearby/neighborhood cells and paracrine signaling. For this reason, searching for specific senescent cell biomarkers and therapies against the development/killing of senescent cells has become relevant. Recently, senomorphic and senolityc drugs have become relevant in slowing down or eliminating senescence cells. However, even though they have shown promising results in experimental studies, their clinical use is still yet to be determined.
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Affiliation(s)
- Rafael Ramírez
- Departamento de Biología de Sistemas, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain/Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (R.R.); (A.F.)
| | - Noemi Ceprian
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid/Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28040 Madrid, Spain; (N.C.); (G.V.)
| | - Andrea Figuer
- Departamento de Biología de Sistemas, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain/Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (R.R.); (A.F.)
| | - Gemma Valera
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid/Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28040 Madrid, Spain; (N.C.); (G.V.)
| | - Guillermo Bodega
- Departamento de Biomedicina y Biotecnología, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain;
| | - Matilde Alique
- Departamento de Biología de Sistemas, Universidad de Alcalá, 28871 Alcalá de Henares, Madrid, Spain/Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), 28034 Madrid, Spain; (R.R.); (A.F.)
- Correspondence: (M.A.); (J.C.)
| | - Julia Carracedo
- Departamento de Genética, Fisiología y Microbiología, Facultad de Ciencias Biológicas, Universidad Complutense de Madrid/Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), 28040 Madrid, Spain; (N.C.); (G.V.)
- Correspondence: (M.A.); (J.C.)
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Lewińska A, Przybylski P, Adamczyk-Grochala J, Błoniarz D, Litwinienko G, Wnuk M. Senolysis-Based Elimination of Chemotherapy-Induced Senescent Breast Cancer Cells by Quercetin Derivative with Blocked Hydroxy Groups. Cancers (Basel) 2022; 14:cancers14030605. [PMID: 35158873 PMCID: PMC8833762 DOI: 10.3390/cancers14030605] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/18/2022] [Accepted: 01/21/2022] [Indexed: 01/10/2023] Open
Abstract
Simple Summary Cellular senescence may contribute to aging and age-related diseases, and the elimination of senescent cells is considered a promising anti-aging strategy. Drug-induced senescence in cancer cells during chemotherapy may also promote a number of adverse effects. Thus, in the present study, the usefulness of three quercetin derivatives as senolytic agents was studied upon stimulation of senescence program in breast cancer cells. We have shown that quercetin derivative with blocked hydroxy groups (QD3) sensitized etoposide-induced senescent breast cancer cells to apoptotic cell death that was accompanied by a decrease in proinflammatory and HSP70-based responses. We suggest that these prosenescent and senolytic activities can be combined to design a novel anti-cancer strategy, at least, against breast cancer cells. Abstract Drug-induced senescence program may be activated both in normal and cancer cells as a consequence of chemotherapeutic treatment, leading to some adverse side effects such as senescence-associated secretory phenotype (SASP), secondary senescence, and cancer promotion. Targeted elimination of senescent cells can be achieved by drugs with senolytic activity (senolytics), for example, the plant-derived natural compound quercetin, especially when co-treated with kinase inhibitor dasatinib. In the present study, three quercetin derivatives were synthesized and tested for improved senolytic action against etoposide-induced senescent human normal mammary epithelial cells and triple-negative breast cancer cells in vitro. Transformation of catechol moiety into diphenylmethylene ketal and addition of three acetyl groups to the quercetin molecule (QD3 derivative) promoted the clearance of senescent cancer cells as judged by increased apoptosis compared to etoposide-treated cells. A QD3-mediated senolytic effect was accompanied by decreased SA-beta galactosidase activity and the levels of p27, IL-1β, IL-8, and HSP70 in cancer cells. Similar effects were not observed in senescent normal cells. In conclusion, a novel senolytic agent QD3 was described as acting against etoposide-induced senescent breast cancer cells in vitro. Thus, a new one-two punch anti-cancer strategy based on combined action of a pro-senescence anti-cancer drug and a senolytic agent is proposed.
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Affiliation(s)
- Anna Lewińska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (J.A.-G.); (D.B.)
- Correspondence: (A.L.); (M.W.)
| | - Paweł Przybylski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland; (P.P.); (G.L.)
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (J.A.-G.); (D.B.)
| | - Dominika Błoniarz
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland; (J.A.-G.); (D.B.)
| | - Grzegorz Litwinienko
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland; (P.P.); (G.L.)
| | - Maciej Wnuk
- Department of Biology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
- Correspondence: (A.L.); (M.W.)
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Affiliation(s)
- Diana Jurk
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905, USA; Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
| | - João F Passos
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, 55905, USA; Robert and Arlene Kogod Center on Aging, Mayo Clinic, 200 First Street SW, Rochester, MN, 55905, USA.
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38
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Englund DA, Zhang X, Aversa Z, LeBrasseur NK. Skeletal muscle aging, cellular senescence, and senotherapeutics: Current knowledge and future directions. Mech Ageing Dev 2021; 200:111595. [PMID: 34742751 PMCID: PMC8627455 DOI: 10.1016/j.mad.2021.111595] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 12/16/2022]
Abstract
Cellular senescence is a state of cell cycle arrest induced by several forms of metabolic stress. Senescent cells accumulate with advancing age and have a distinctive phenotype, characterized by profound chromatin alterations and a robust senescence-associated secretory phenotype (SASP) that exerts negative effects on tissue health, both locally and systemically. In preclinical models, pharmacological agents that eliminate senescent cells (senotherapeutics) restore health and youthful properties in multiple tissues. To date, however, very little is understood about the vulnerability of terminally-differentiated skeletal muscle fibers and the resident mononuclear cells that populate the interstitial microenvironment of skeletal muscle to senescence, and their contribution to the onset and progression of skeletal muscle loss and dysfunction with aging. Scientific advances in these areas have the potential to highlight new therapeutic approaches to optimize late-life muscle health. To this end, this review highlights the current evidence and the key questions that need to be addressed to advance the field's understanding of cellular senescence as a mediator of skeletal muscle aging and the potential for emerging senescent cell-targeting therapies to counter age-related deficits in muscle mass, strength, and function. This article is part of the Special Issue - Senolytics - Edited by Joao Passos and Diana Jurk.
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Affiliation(s)
- Davis A Englund
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Xu Zhang
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Zaira Aversa
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA
| | - Nathan K LeBrasseur
- Robert and Arlene Kogod Center on Aging, Mayo Clinic, Rochester, MN, USA; Department of Physical Medicine and Rehabilitation, Mayo Clinic, Rochester, MN, USA; Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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